Vortex 840A-40 Aluminum Rear Sprocket 520 Pitch 40 Tooth

The Vortex 840A-40 is a lightweight aluminum racing rear sprocket designed for 520 pitch chain applications with 40 teeth. This premium sprocket is manufactured from specially formulated F5 aluminum alloy to Vortex specifications, delivering the perfect balance of strength and reduced rotating mass for improved acceleration and handling.

Key Features:

• 100% CNC manufactured in the USA for precision fitment and consistent quality
• Constructed from lightweight 7075 T6 billet aluminum for reduced rotating mass
• Unique patented tooth design increases sprocket longevity and chain engagement
• PTFE coating available for added lubricity and durability with reduced friction
• Silver anodized finish prevents corrosion and provides a clean appearance
• 520 pitch configuration with 40 teeth for optimal gearing options

Vortex Racing has over 15 years of experience manufacturing premium motorcycle racing components, with direct feedback from professional race teams worldwide. Each sprocket is machined to the tightest tolerances using the best quality materials in the industry, ensuring performance you can trust on the track or street.